linux-kernel - Re: [PATCH 0/2] ASoC: rsnd: Fixes for multichannel HDMI audio output

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Date:   16 Apr 2020 10:35:17 +0900
From:   Kuninori Morimoto <kuninori.morimoto.gx@...esas.com>
To:     Matthias Blankertz <matthias.blankertz@...itec.com>
Cc:     Mark Brown <broonie@...nel.org>,
        Liam Girdwood <lgirdwood@...il.com>,
        Jaroslav Kysela <perex@...ex.cz>,
        Takashi Iwai <tiwai@...e.com>, <alsa-devel@...a-project.org>,
        <linux-kernel@...r.kernel.org>, <linux-renesas-soc@...r.kernel.org>
Subject: Re: [PATCH 0/2] ASoC: rsnd: Fixes for multichannel HDMI audio output


Hi

> This fixes two issues in the snd-soc-rcar driver blocking multichannel
> HDMI audio out: The parent SSI in a multi-SSI configuration is not
> correctly set up and started, and the SSI->HDMI channel mapping is
> wrong.
> 
> With these patches, the following device tree snippet can be used on an
> r8a7795-based platform (Salvator-X) to enable multichannel HDMI audio on
> HDMI0:
> 
> rsnd_port1: port@1 {
> 	rsnd_endpoint1: endpoint {
> 		remote-endpoint = <&dw_hdmi0_snd_in>;
> 
> 		dai-format = "i2s";
> 		bitclock-master = <&rsnd_endpoint1>;
> 		frame-master = <&rsnd_endpoint1>;
> 
> 		playback = <&ssi0 &ssi1 &ssi2 &ssi9>;
> 	};
> };
> 
> With a capable receiver attached, all of 2ch (stereo), 6ch (e.g. 5.1)
> and 8ch audio output should work.
> 
> 
> Matthias Blankertz (2):
>   ASoC: rsnd: Fix parent SSI start/stop in multi-SSI mode
>   ASoC: rsnd: Fix HDMI channel mapping for multi-SSI mode
> 
>  sound/soc/sh/rcar/ssi.c  | 8 ++++----
>  sound/soc/sh/rcar/ssiu.c | 2 +-
>  2 files changed, 5 insertions(+), 5 deletions(-)

For all patches

Acked-by: Kuninori Morimoto <kuninori.morimoto.gx@...esas.com>

Thank you for your help !!

Best regards
---
Kuninori Morimoto